<template>
  <section>
    <!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true">
        <el-form-item>
          <el-input v-model="keyword" placeholder="请输入关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="keywordQuery">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

    <!--列表-->
    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
      <el-table-column type="selection" width="55">
      </el-table-column>
      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="id" label="员工ID" width="120" sortable>
      </el-table-column>
      <el-table-column prop="username" label="员工名称" width="120" sortable>
      </el-table-column>
      <el-table-column prop="phone" label="员工电话" width="120" sortable>
      </el-table-column>
      <el-table-column prop="email" label="员工邮箱" width="100" sortable>
      </el-table-column>
      <el-table-column prop="age" label="员工年龄" width="100" sortable>
      </el-table-column>
      <el-table-column prop="state" label="员工状态" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.state==0" style="color: red">禁用</span>
          <span v-else style="color: green">启用</span>
        </template>
      </el-table-column>
      <el-table-column prop="state" label="店铺" width="100" sortable>
        <template scope="scope">
          <span v-if="scope.row.shop_id==null" style="color: red">平台管理员</span>
          <span v-else style="color: green">店铺管理员</span>
        </template>
      </el-table-column>
      <el-table-column prop="department.name" label="所属部门" min-width="180" sortable>
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条 批量删除 + 分页栏-->
    <el-col :span="24" class="toolbar">
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange"
                     :page-size="pageSize" :total="totals" :current-page="currentPage" style="float:right;">
      </el-pagination>
    </el-col>

    <!--编辑或者新增界面-->
    <el-dialog :title="title" :visible.sync="saveFormVisible" :close-on-click-modal="false">
      <el-form :model="saveForm" label-width="80px" :rules="saveFormRules" ref="saveForm">
        <el-form-item label="姓名" prop="username">
          <el-input v-model="saveForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="phone">
          <el-input v-model="saveForm.phone" auto-complete="off"></el-input>
        </el-form-item>

        <el-form-item label="邮箱" prop="email">
          <el-input v-model="saveForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="saveForm.password" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="saveForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="saveForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="所属部门" prop="department_id">
          <el-select v-model="saveForm.department_id" placeholder="请选择">
            <el-option v-for="item in managers"
                       :label="item.name"
                       :value="item.id">
              <span style="float: left">{{ item.name }}</span>
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="角色" prop="role_id">
          <el-select v-model="saveForm.department_id" placeholder="请选择">
            <el-option v-for="item in roles"
                       :label="item.name"
                       :value="item.id">
              <span style="float: left">{{ item.name }}</span>
            </el-option>
          </el-select>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="saveFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="saveSubmit" :loading="saveLoading">提交</el-button>
      </div>
    </el-dialog>
  </section>
</template>

<script>
import util from '../../common/js/util'
//import NProgress from 'nprogress'
import { getDepartmentListPage, removeDepartment, batchRemoveDepartment, saveDepartment, addDepartment } from '../../api/api';

export default {
  data() {
    return {
      //1. 分页查询相关的参数
      employees: [],    //列表数据
      pageSize:5,         //每页显示的条数
      currentPage:1,      //当前页
      totals: 0,          //总数量
      listLoading: false, //加载框
      //2.高级查询相关的参数
      keyword:'',
      //3.批量删除的参数
      sels: [],//列表选中列
      //4.添加或修改的相关数据
      title:'',
      //5.添加或修改相关的数据
      saveFormVisible: false,//新增界面是否显示 -- 默认关闭
      saveLoading: false, //保存的加载框 -- 默认关闭
      saveFormRules: {  //表单项验证
        sn: [
          { required: true, message: '请输入编号', trigger: 'blur' }
        ],
        name: [
          { required: true, message: '请输入名称', trigger: 'blur' }
        ],
      },

      //添加和修改中对话框的数据
      saveForm: {
        id: null,
        username: '',
        phone: '',
        email:'',
        password:'',
        age:'',
        state: 1,
        department_id: null,
        role_id:null,
      },
      //显示所有的部门经理
      managers: [],
      //模型数据data定义部门树
      //显示部门树
      deptTree: [],
      roles:[]
    }
  },
  methods: {
    //1.获取部门列表
    getEmployees() {
      let para = {
        currentPage: this.currentPage,//当前页
        pageSize:this.pageSize,     //每一页显示的条数
        keyword:this.keyword
      };
      this.listLoading = true;  //显示加载框/忙等框
      this.$http.post("/employee",para).then(res=>{
        this.employees=res.data.data;//赋值分页数据- 显示当前页的分页数据
        this.totals=res.data.totals;//给tatals赋值- 计算分页栏
        //隐藏加载框
        this.listLoading = false;
      }).catch(res=>{
        this.$message.error("系统繁忙,请稍后再试...")
      })
    },
    //2.点击实现分页
    handleCurrentChange(val) {
      this.currentPage = val;
      this.getEmployees();
    },
    //3.高级查询- 关键字查询
    keywordQuery(){
      this.currentPage=1;//高级查询  页数需要设置到第一页,如果页数在其他页数 当查询条数没有那么多, 查询出来的数据就是空的
      this.getEmployees();
    },
    //4.删除业务逻辑
    handleDel: function (index, row) {
      this.$confirm('确认删除该记录吗?', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true //显示加载框
        this.$http.delete("/employee/"+row.id).then(res=>{
          this.listLoading = false;//关闭加载框
          if(res.data.success){
            this.$message.success("删除成功") //提示删除成功

            //删除成功之后对当前页的处理:特殊情况:删除最后一页的最后一条数据
            var totalPage=Math.ceil(this.totals/this.pageSize);//总页数=最后一页
            //如果是当前页是最后一页             //并且是最后一页的最后一条数据            //并不是第一页
            if(this.currentPage==totalPage && (this.totals-1)%this.pageSize==0 && this.currentPage!=1){
              this.currentPage--;
            }

            this.getEmployees();//删除后 重新查询数据
          }else {
            this.$message.error("系统繁忙,请稍后重试!!![500]")
          }
        }).catch(res=>{
          this.$message.error("系统繁忙,请稍后重试!!![400,404]")
        })
      }).catch(() => {
      });
    },

    //5. 选项改变时 会触发此逻辑
    selsChange: function (sels) {
      this.sels = sels;
    },
    //6. 批量删除
    batchRemove: function () {
      //获取数组中每一个对象的id 并形成新的数组
      var ids = this.sels.map(item => item.id);
      this.$confirm('确认删除选中记录吗？', '提示', {
        type: 'warning'
      }).then(() => {
        this.listLoading = true; //显示加载框
        this.$http.patch("/employee",ids).then(res=>{
          this.listLoading = false;//隐藏加载框
          if(res.data.success){
            this.currentPage=1;
            this.getEmployees();//删除后 重新查询数据
          }else {//操作失败
            this.$message.error("系统繁忙,请稍后重试!!![500]")
          }
        }).catch(res=>{
          this.$message.error("系统繁忙,请稍后重试!!![400,404]")
        })
      }).catch(() => {
      });
    },

    //7.点击修改按钮弹出对话框
    handleEdit: function (index, row) {
      //弹出对话框
      this.title="编辑";
      this.saveFormVisible = true;
      //回显数据:创建一个新的空对象{}，然后将row中的数据拷贝一份给{}
      this.saveForm = Object.assign({}, row);
      this.getManagers();// 获取所有的部门经理
      this.getDeptTree();//获取部门树
      this.getRoles();//获取所有的角色
    },
    //8.点击新增按钮 显示新增界面
    handleAdd: function () {
      this.title="添加";
      this.saveFormVisible = true;
      this.saveForm = {
        id: null,
        username: '',
        phone: '',
        email:'',
        password:'',
        age:'',
        state: 1,
        department_id: null,
        role_id: null,
      };
      this.getManagers();// 获取所有的部门经理
      this.getDeptTree();//获取所有的部门树
      this.getRoles();//获取所有的角色
    },
    //9.新增或者编辑
    saveSubmit: function () {
      this.$refs.saveForm.validate((valid) => {
        if (valid) {
          this.$confirm('确认提交吗？', '提示', {}).then(() => {
            this.saveLoading = true;
            let para = Object.assign({}, this.saveForm);
            //选择多级部门的判断
            var isArr = para.parent_id;
            if(Array.isArray(isArr)){
              if(isArr.length==0){
                para.parent_id==null;
              }else {
                para.parent_id=isArr[isArr.length-1]
              }
            }
            this.$http.put("/employee",para).then(res=>{

              if(res.data.success){
                this.getEmployees();

              }else {
                this.$message.error("系统繁忙,请稍后重试!!![500]")
              }
              this.saveLoading=false; //关闭加载框
              this.saveFormVisible=false; //关闭对话框
            }).catch(res=>{
              this.$message.error("系统繁忙,请稍后重试!!![400,404]")
            })
          });
        }
      });
    },
    //10.获取部门经理 - 所有的员工
    getManagers(){
      this.$http.get("/department").then(res => {
        this.managers = res.data;
      })
    },
    //11.获取部门树
    getDeptTree(){
      this.$http.get("/department/deptTree").then(res=>{
        this.deptTree = res.data;
      })
    },
    //11.获取部门树
    getRoles(){
      this.$http.get("/role").then(res=>{
        this.roles = res.data;
      })
    }
  },
  mounted() {
    this.getEmployees();
  }
}
</script>

<style scoped>

</style>